Pipe-coupling.



W. F. POTTS.

PIPE COUPLING.

APPLICATION FILED JUNE 17. 1914.

Patented July 27, 1915.

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IIPE-COUPLING.

Application filed June 17, 1914. Serial No. 845,613.

To all whom it may concern Be it known that I, IVILLIAM. F. Po'r'rs, acitizen of the United States, residing at Kansas City, in the county ofJackson and State of Missouri, have invented a certain new and usefulImprovement in Pipe- Couplings, of which the following is aspecification.

My invention relates to improvements in pipe couplings.

It is particularly adapted for use in connecting the water supply pipeof a locomotive boiler with the hose leading from the locomotive tender.

One of the objects of my invention is to provide a pipe coupling, whichis simple in construction, may be readily operated, which is efficientin operation, and in which the pipe sections are'not liable to beseparated from each other by hard jolting or rough usage.

The novel features of my invention are hereinafter fully described andclaimed.

In the accompanying drawing which illustrates the preferred embodimentof my invention, Figure 1 is a side elevation showing my improved pipecoupling in operative position. Fig. 2 is a top view of the same havinga portion broken away.

Similar reference characters designate similar parts in the differentviews.

"1 designates one tubular member of the pipe coupling provided with twooppositely disposed trunnions 2 to which are respectively pivoted thearms of-a U-shapedconnecting member 3, which is adapted to be swung tothe operative position shown in the drawing, in which its transverseportion is disposed at the left of a peripheral abutment comprising atransverse shoulder 1 provided on the other pipe coupling membercomprising a tube 5, which at its right end, as viewed in Fig. 2, isprovided with a conical seat 6, which is adapted to have fitted theretothe adjacent externally conical end of the tubular member 1.

The arms of the connecting member 3 are respectively provided withoppositely disposed longitudinal slots 7, which are adapted to receive alocking wedge 8, which is adapted, in the operative position shown inthe drawing, to have its opposite longitudinal edges forced against theabutment 4: and the inside of the transverse portion of the connectingmember 3, said inside being, pref- Specification of Letters Patent.

Patented m 2%, i915.

erably, disposed slightly oblique to the arms of the connecting member.

For releasably holding the wedge 8 in the operative position, shown inthe drawing, the outer side of the transverse portion of the connectingmember 3 has secured to it a spring pawl 9 provided with a. tooth 10which extends through'a hole 11 in said transverse portion and isadapted to engage with one of a longitudinal row of teeth 12, which areprovided in the adjacent longitudinal edge of the wedge 8. A screw 13secures the pawl 9 to the connecting member 3. A cotter pin 14: may beextended through an opening provided through the small end of the wedge8 at the outer side of the adjacent arm of the member 3, for the purposeof preventing accidental attachment of the wedge from said connectingmember, in case that the pawl 9 becomes broken or accidentallydisengaged from the teeth 12.

15 designates a piece of rubber hose, which is clamped to the peripheryof the tubular member 1 by means of two clamping mem bers 16 which arerespectively pivoted to the trunnions 2 and which are respectivelyprovided with transverse areuate portions 17 provided with flat endsthrough which extend two bolts 18, each provided with a nut 19, andwhich respectively connect the adjacent ends of said clamping members.The arcuate portions 17 respectively embrace opposite sides of the hose15 to which they are clamped by the bolts18 and nuts 19.

In operating my invention, the clamping members 16 having been securedto the hose 15, the conical end of the member 1 is in serted in theconical end of the member 5, after which the U-shaped member 3 is swungover the abutment 1 to the position shown in the drawing, after whichthe wedge 8 is forced through the slots 7 so as to tightly bear againstthe abutment 1 and the inner side of the transverse portion of theconnecting member 3. In this position, the tooth 10 of the pawl 9 willengage with one of the ratchet teeth 12, thus holding the wedge in theoperative position. The cotter pin 14 is then inserted through the wedgein a hole provided therefor, after which its arms are spread apart inthe vusual manner to retain it in its proper position. To uncouple themembers 1 and 5, the cotter pin 14: is first pulled from thewedge 8,after which the pawl 9 is withdrawn from en- 11o bular members, onehaving an abutment, a

gagement with the teeth 12, when the wedge 8 can be withdrawn and theconnecting member 3 swung so as to clear the abutment 4, upon which thetubular members 1 and 5 may be withdrawn, one from the other.

I do not limit my invention to the struc-" bular members, one having anabutment, a

connecting member pivoted to the other tubular member, a wedge adaptedfor insertion between the connecting member and said abutment, and apawl having means for engaging the wedge to hold it in the operativeposition.

3. A pipe coupling comprising two tuconnecting member pivoted to theother tubular member, a wedge adapted for insertion between theconnecting member and said abutment and provided with ratchet teeth, anda pawl adapted to engage said teeth for holding the wedge in theoperative position.

4. A pipe coupling comprising two tubu- .lar members, one having anabutment, a

connecting member pivoted to the other tubular member, a wedge adaptedfor insertlon between the connecting member and said abutment, and apawl carried by said connectlng member and having means for 5. A pipecoupling comprising two tubular members, one having an abutment, aconnecting member pivoted to the other tubular member, a wedge adaptedfor insertion between the connecting member and said abutment andprovided with ratchet teeth, and a pawl carried by said connectingmember and adapted to engage said teeth to hold the wedge in theoperative position.

6. A pipe coupling comprising two tubular members, one having anabutment and the other having oppositely disposed trunnions, a U-shapedconnecting member having its arms respectively pivoted. to saidtrunnions, a wedge adapted for insertion between the said connectingmember and said abutment and having ratchet teeth, and a pawl carried bysaid connecting memher and adapted to engage said teeth to hold thewedge in the operative position.

7. A pipe coupling comprising two tubular members, one having anabutment and the other having oppositely disposed trunnions, a U-shapedconnecting member having its arms respectively pivoted to said trunnion,a wedge adapted for insertion between said connecting member and saidabutment and having ratchet teeth, and a spring pawl carried by saidconnecting member and adapted to engage said teeth to hold the wedge inthe operative position.

In testimony whereof I have signed my name to this specification inpresence of two subscribing witnesses.

WILLIAM F. Por'rs.

Witnesses:

J. G. IRWIN, WVARREN D. HOUSE.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. G.

fengagi'ngthe wedge to hold it in the operatlve positlon.

